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International Journal of Biomedical Engineering ; (6): 80-85, 2022.
Artículo en Chino | WPRIM | ID: wpr-954196

RESUMEN

The development of multifunctional nanocontrast agents with high sensitivity, high specificity, and low toxicity so that they can precisely localize tumors and reflect tumor biological information in real time is the core of promoting the development of tumor molecular imaging technology and realizing early and precise tumor diagnosis. Polydopamine (PDA) nanomaterials are bionanomaterials with a structure extremely similar to that of natural melanin. They can be easily fabricated and functionalized, and can achieve controlled assembly of functional molecules such as contrast components and targeting ligands via metal coordination, π-π stacking, electrostatic adsorption, and other methods. They have good biocompatibility and biodegradability, show great potential for clinical translation, and have been widely used in molecular imaging of tumors. In this review paper, the preclinical studies of PDA nanoparticles are reviewed as well as the synthesis methods, functionalized modification, and assembly strategies of PDA nanoparticles and their applications in tumor molecular imaging. The development trends of PDA are also presented to promote their application in the field of tumor molecular imaging.

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